lib: added some description and JSDoc tags for Closure Compiler
lib/misc.js: renamed function parameters to match their purpose
lib/base64.js: fixed the parameter names in JSDoc section
SynchronizedEventQueue: added JSDoc descriptions, fixed types in JSDoc blocks, yuidoc now creates a nice documentation
SynchronizedEventQueue: removed deprecatd @public tags from JSDoc blocks, replaced @returns with the valid @return in JSDoc
Merge pull request #2 from gheja/dev4

Updated some docs, renamed parameters of library functions to match their purposes.